[6.2] 299e29838 fix copy-pasta vtc description

[Martin Blix Grydeland]

commit 299e298382dbe609363ed5a0fad74d4cc17b446f
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Tue Nov 26 14:09:32 2019 +0100

    fix copy-pasta vtc description
    
    (cherry picked from commit 815331b3aecca0eb7e4e29f6dd4d778124c2ac9d)

diff --git a/bin/varnishtest/tests/r03131.vtc b/bin/varnishtest/tests/r03131.vtc
index 2722b748a..43f0995b0 100644
--- a/bin/varnishtest/tests/r03131.vtc
+++ b/bin/varnishtest/tests/r03131.vtc
@@ -1,4 +1,4 @@
-varnishtest "Test workspace functions in vmod_vtc"
+varnishtest "Test WS_ReserveSize() overflow behavior"
 
 varnish v1 -vcl {
 	import vtc;